127939640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{68053}}^1$

素因数の和:68111

約数の個数: 32

約数和(自身を含む): 293993280

約数和(自身を除く): 166053640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 68053, 136106, 272212, 340265, 544424, 680530, 1361060, 2722120, 3198491, 6396982, 12793964, 15992455, 25587928, 31984910, 63969820, 127939640]

約数ペア:

[(1, 127939640), (2, 63969820), (4, 31984910), (5, 25587928), (8, 15992455), (10, 12793964), (20, 6396982), (40, 3198491), (47, 2722120), (94, 1361060), (188, 680530), (235, 544424), (376, 340265), (470, 272212), (940, 136106), (1880, 68053)]